GB/T 8005.1-2019 铝及铝合金术语第1部分:产品及加工处理工艺

文件大小 : 4434.59 KB

文档格式 : PDF电子版

文档分类 : 国家标准

更新时间 : 2024-01-06 08:30:54


Warning: get_headers(): SSL operation failed with code 1. OpenSSL Error messages: error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182

Warning: get_headers(): Failed to enable crypto in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182

Warning: get_headers(https://img.0ppt.com/61/10/27/61102783.png): failed to open stream: operation failed in /www/wwwroot/0ppt.com/e/data/tmp/dt_temptext14.php on line 182